Cockle-separator



(ModeL) f ;J. w. COLLINS. Cockle Separator.

No. 235,623. Pat'erited Dec. 21,1880.

VIII/Am IL PETERS PHUTO-LITHOGRAFNER. WASHINGTON. C,

lhvirnn STATES PATE T @rricn.

JOHN WV. COLLINS, OF CHICAGO, ILLINOIS.

COCKLE-SEPARATOR.

SPECIFICATION forming part of Letters Patent No. 235,623, dated December 21, 1880.

Application filed April 3, 1880.

To alt whom it may concern:

Be it known that I, JOHN W. COLLINS, of

panying drawings, and to the letters of reference marked thereon, which form a part of this specification.

This invention relates to the class of cookieseparators which operate to separate cockle from wheat by means of a moving surface having indentations large enough to retain the cocklebut too small to retain the wheat.

It consists in the combination of an endless belt, having the required indentations or cavities in its surface to receive the cockle, with two supporting-rollers and means for depressing the belt between the rollers to form a trough into which the wheat to be cleaned is fed.

It further consists in the specific device shown for depressing the indented belt between the rollersnamely, a shaft having spider-wheels arranged above the belt and between the rollers.

It also consists in a cap made of metal inserted in the endless belt to receive the cockle, all substantially as will be at length described, and pointed out in the claims.

In the drawings, Figure 1 is a perspective view of a machine embodying the general features of my invention. Fig. 2 is a central vertical section transverse to the axes of the rollers. Figs. 3, 4c, 5, and 6 are views of different constructions of the metal cup-shaped receptacle for the cockle, as seen applied to a belt; and Fig. 7 is a top View of one of the spiderwheels and part of their shaft detached from the machine.

A is a suitable frame, supporting the shafts S and S of the rollers It and It and the intermediate spider-shaft, S.

B is an endless belt, of leather or other flexible material, passing over the rollers and centrally depressed between them, to form a trough to receive the grain to be cleaned by the spiderwheels 1? P on the shaft S.

P is a pulley on the shaft S, by which the belt is driven in the direction indicated by the arrow.

(Model) In the outer surface of the belt 13 are numerous cup-shaped indentations, deep enough to retain cookie, but of such size and depth as to allow the longer grains of wheat to fall out as the belt passes up the steep incline from the trough over the roller It.

The arms 'i of the spider-wheels I? are arranged obliquely upon their hubs, in order that they may bear more uniformly upon the belt, and that the grains may readily fall oif them as they rotate.

The frame A is higher on one side than on the other, giving the trough an incline, so that grain admitted at oneend thereof, by being repeatedly lifted and dropped back by the belt, passes gradually to the other end, where it escapes through a suitable passage, I), through the frame. The length of the troughor width of the belt is intended to be such that the cockle will have been separated out before the wheat is discharged at the lower end of the trough.

As an improvement upon simple indentationsin the substance of the belt or carrier B, I have devised a metallic cup, bshown in various modifications in Figs. 3, 4, 5, and 6: Figs. 3, 5, and 6 are central sections, and Fig. 4 is an elevation, all of different constructions. This device consists, essentially, of a piece of metal having a hemispherical cavity, a, of proper dimensions, the modifications shown having reference, mainly, to differences in means of securing the cup to the belt. In Fig. 3 the cup is struck up from sheet metal, with a flange at the bottom. It is inserted upward through the outer fold, c, of the double belt B, and is held in place by means of a lower fold,- d, of said belt. In Fig. 6 substantially the same construction of cup is held in a single belt by swaging the top out, asin the case of an ordinary eyelet. In Fig. 4 the cup has an upper flange, and also has small points thrown out from the body of the cup into or on the inner surface of the belt, to hold the cup in place. In Fig. 5 the cavity a is formed in the flanged head of a rivet, the tang of which passes through the inner layer or fold of the double belt, at once holding the cup in place and the two folds of the belt together.

The metal cup described, when properly made, has the advantage of being of smooth interior, adapted to allow the wheat to drop out readily, while retaining the cockle, the belt being of proper incline upward from the trough to the roller 1%.

Obviously, suitable cavities, a, may be also formed in metal strips adapted to be transversely secured to the belt B, recesses being cut in the substance of the belt to admit the .protnberances made on the under side of the strips in forming the cups, and to let the strips Having thus described my invention, I

claim- 1. The endless belt B, having the cavities a, combined with the rollers R It and means for depressing the belt to form a trough between said rollers, substantially as and for the purposes set forth.

2. In combination with the rollers R and R and belt B, having the cavities a a, the shaft S, provided with spider-wheels P, arranged to depress the belt between the rollers, while givin g passage for the grain from one end to the other of the trough so formed, substantially as described.

3. The spider-wheels P, having the armsi set oblique to their axis, when combined with the belt B and rollers R R, as described.

4. In a cockle-separator, a flexible belt, B, provided with cups 1), formed separately from the belt and inserted therein, substantially as and for the purposes described.

5. The metal cup, Fig. 4, consisting of an indented disk, having one or more points, 6, struck out from the hemispherical body of the cup, substztntially as and for the purposes specified.

In testimony that I claim the foregoing as my invention I affix my signature in presence of two witnesses.

JOHN \V. COLLINS.

Witnesses M. E. DAYTON, JESSE 00X, Jr. 

